Progress in Coastal Altimetry: the experience of the COASTALT Project Paolo Cipollini (NOCS, UK), Christine Gommenginger (NOCS, UK), Henrique Coelho (Hidromod, Portugal), Joana Fernandes (U Porto, Portugal), Jesus Gómez-Enri (U Cádiz, Spain), Cristina Martin-Puig (Starlab, Spain), Stefano Vignudelli (CNR, Italy), Philip Woodworth (POL, UK), Salvatore Dinardo (ESA/ESRIN, Italy), Jérôme Benveniste (ESA/ESRIN, Italy) + the whole COASTALT crew!